Washing machine



FIG. 1 is a perspective view of a washing machine, showing my dew design therefor;

FIG. 2 is a front elevational view, the rear elevation view being a mirror image thereof;

FIG. 3 is a left side elevation view;

FIG. 4 is a left side elevational view;

FIG. 5 is a top plan view; and,

FIG. 6 is a bottom plan view. 

The ornamental design for a washing machine, as shown and described. 